blackmoon | ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-11-2024 11:31

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General

Target

ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962N.exe
Size

3.8MB
MD5

a4f21876ac5aec30d284a8bfb43f5400
SHA1

3d11289529c98e0c14f99d6b06607ab10dead776
SHA256

ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962
SHA512

27fe2d69e57c1684eb7edc8c0c07092b0e72820d4195556a512752b1fc9864736f1943884f30a9e0dd629a170313aa1830c1d911562e3638eaebf7afec1fc27f
SSDEEP

49152:3sCOfN6X5tLLQTg20ITS/PPs/1kS4eKRL/SRsj0Zuur1T75YqVUrmNF98x:Q6XLq/qPPslzKx/dJg1ErmNg

Score

10^/10

blackmoon njrat banker discovery trojan upx

Malware Config

Signatures

Blackmoon family
blackmoon
Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
trojan banker blackmoon

Detect Blackmoon payload 4 IoCs

resource	yara_rule
behavioral1/memory/2148-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/files/0x000c000000012280-7.dat	family_blackmoon
behavioral1/memory/2376-8-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon
behavioral1/memory/2148-6-0x0000000000400000-0x0000000000428000-memory.dmp	family_blackmoon

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 1 IoCs

pid	Process
2376	nbnhtn.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2148-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/files/0x000c000000012280-7.dat	upx
behavioral1/memory/2376-8-0x0000000000400000-0x0000000000428000-memory.dmp	upx
behavioral1/memory/2148-6-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2160	2376	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nbnhtn.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2376	2148	ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962N.exe	30
PID 2148 wrote to memory of 2376	2148	ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962N.exe	30
PID 2148 wrote to memory of 2376	2148	ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962N.exe	30
PID 2148 wrote to memory of 2376	2148	ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962N.exe	30
PID 2376 wrote to memory of 2160	2376	nbnhtn.exe	31
PID 2376 wrote to memory of 2160	2376	nbnhtn.exe	31
PID 2376 wrote to memory of 2160	2376	nbnhtn.exe	31
PID 2376 wrote to memory of 2160	2376	nbnhtn.exe	31

C:\Users\Admin\AppData\Local\Temp\ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962N.exe
"C:\Users\Admin\AppData\Local\Temp\ea70763cc536f206af69005b5df0e7da9a622bb676a1fa3bc7a00151ced15962N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2148
- \??\c:\nbnhtn.exe
  c:\nbnhtn.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2376
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 36
    3⤵
    - Program crash
    PID:2160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\nbnhtn.exe

Filesize
3.8MB

MD5
1bdf40f78e14fe87306429ab392ed2ba

SHA1
cffc9f3de2bf843661e9c38e7ea073b4c852a40b

SHA256
2cf5b5d36e0c7e86f1fb4a46840f561926c39c65411292bf3b6de7912e7ce722

SHA512
f9fa2c8dae44e50de087bedd2bc4d9c88f0cbbd032b9fc3d03345a65a42708fb1cfeb468c83561deed6edf6af1e9a6222230faba3afc9947c0c2b6e1b576ce54

Download Submit
memory/2148-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2148-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2376-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download